/Engine/Plugins/Editor/WaveformEditor/Source/WaveformEditorWidgets/Public/WaveformEditorSequenceDataProvider.h
typedef TMulticastDelegate_TwoParams< void, [FTransformationRenderLayerInfo](API\Plugins\WaveformEditorWidgets\FTransformationRenderLayerInfo) *, const int32 > FOnLayersChainGenerated